Math Problem Statement
Use synthetic division and the Remainder Theorem to evaluate P(c). P(x) = 2x^7 + x^2 − 4, c = −1
Solution
To evaluate for and using synthetic division and the Remainder Theorem, we proceed with the following steps:
Step 1: Write down the coefficients of
The polynomial is:
Notice that there are missing terms in the polynomial (e.g., no terms). We need to account for these missing terms by adding zero coefficients:
Thus, the coefficients are:
Step 2: Set up the synthetic division
We will divide by , which corresponds to . For synthetic division, we use and the coefficients:
Step 3: Perform the synthetic division
Let's perform the synthetic division with :
-1 & 2 & 0 & 0 & 0 & 1 & 0 & 0 & -4 \\ & & -2 & 2 & -2 & 2 & -3 & 3 & -3 \\ \hline & 2 & -2 & 2 & -2 & 3 & -3 & 3 & -7 \\ \end{array}$$ ### Step 4: Interpretation of the result The final number in the bottom row is the remainder when dividing by $$x + 1$$. This remainder is the value of $$P(-1)$$. $$P(-1) = -7$$ ### Step 5: Conclusion The value of $$P(-1)$$ is $$-7$$, which is the remainder from the synthetic division. Therefore: $$P(-1) = -7$$ --- Would you like a detailed breakdown of any specific part of the synthetic division process? Here are some related questions for further exploration:Ask a new question for Free
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Math Problem Analysis
Mathematical Concepts
Polynomials
Synthetic Division
Remainder Theorem
Formulas
P(x) = 2x^7 + x^2 - 4
Remainder Theorem: P(c) = remainder of synthetic division
Theorems
Remainder Theorem
Suitable Grade Level
Grades 9-12
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